return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Bonds

18 10 26 16 45

QCISD(T)/Def2TZVPP for rCC

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 0.150 are in the 0.150 bin. Differences less than -0.450 are in the -0.450 bin.

histogram chart 50
histogram chart 40 histogram chart
histogram chart 30 histogram chart
histogram chart 20 histogram chart
histogram chart 10 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-0.450 -0.400 -0.350 -0.300 -0.250 -0.200 -0.150 -0.100 -0.050 0.000 0.050 0.100 0.150
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C4H10O Methyl propyl ether-0.437
Most positive difference C3O2 Carbon suboxide0.028

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.437
C3H3NO Isoxazole 1.356 -0.043
CH2CHCH3 Propene 1.353 -0.015
CH3CHFCH3 2-Fluoropropane 1.521 -0.005
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.005
C2H2O2 Ethanedial 1.526 -0.004
CH3CH2SH ethanethiol 1.528 -0.004
CH2CHCH2CH3 1-Butene 1.342 -0.003
C4H5N Pyrrole 1.382 -0.003
CH2CHCH2CH3 1-Butene 1.536 -0.002
CH3CH2CH2CH3 Butane 1.531 -0.002
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.002
C2H5I Ethyl iodide 1.521 -0.002
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.002
C2H5Br Ethyl bromide 1.518 -0.001
C2H3 vinyl 1.316 -0.000
CH2CHF Ethene, fluoro- 1.329 -0.000
C5H8 Bicyclo[1.1.1]pentane 1.557 0.000
CH3CH2CHO Propanal 1.509 0.000
CH2CHCHO Acrolein 1.341 0.001
CH3CH2CHO Propanal 1.523 0.001
C2H2+ acetylene cation 1.253 0.002
CH2ClCCCl 1,3-dichloropropyne 1.456 0.002
C3H2O3 vinylene carbonate 1.331 0.002
C2H5CN ethyl cyanide 1.468 0.003
C2H2N2O Furazan 1.421 0.003
C2H4S Thiirane 1.484 0.003
CH2CHCH2F Allyl Fluoride 1.333 0.003
CH2CS Thioketene 1.314 0.004
C2H3NO Nitrosoethylene 1.335 0.004
CH3CCH propyne 1.207 0.005
C3H4 cyclopropene 1.296 0.005
CH3CHO Acetaldehyde 1.501 0.005
C3H4 cyclopropene 1.509 0.005
HCCF Fluoroacetylene 1.198 0.006
CH2CO Ketene 1.314 0.006
CH2CCH2 allene 1.308 0.006
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.006
CH3CCH propyne 1.460 0.007
C2H5CN ethyl cyanide 1.526 0.008
CH3CN Acetonitrile 1.458 0.008
C2H4O Ethylene oxide 1.459 0.009
CH2CHCH2CH3 1-Butene 1.493 0.010
CH2CHCHO Acrolein 1.468 0.010
CH2CHCH2F Allyl Fluoride 1.488 0.010
CH2ClCCCl 1,3-dichloropropyne 1.201 0.010
C4H5N Pyrrole 1.417 0.011
C2H4F2 1,2-difluoroethane 1.493 0.012
C4 Carbon tetramer 1.304 0.013
CH2CHCH3 Propene 1.488 0.014
SiC2 Silicon dicarbide 1.265 0.015
CH(CN)3 tricyanomethane 1.460 0.019
C3 carbon trimer 1.277 0.025
C3O2 Carbon suboxide 1.251 0.028